ADVANCED LOGIC RESEARCH, INC.
=============================

   FLOPPY I/O CONTROLLER

   Card Type     Floppy drive controller                          
   I/O Options   floppy drive interface, parallel port, serial    
                 port                                             
   Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives        
   supported     
   Data Bus      8-bit ISA                                        

<gopher://bitreich.org/I/th99/i/A-B/54545-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Label |        Function        | Label |
   |-------------------+-------+------------------------+-------|
   | Serial port       |  CN1  | Floppy drive interface |  CN3  |
   |-------------------+-------+------------------------+-------|
   | Parallel port     |  CN2  |                        |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  E1   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  E2   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  E3   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  E4   |    Closed    |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |         Setting         |      SW1/3      |     SW1/4      |
   |-------------------------+-----------------+----------------|
   |>>  |        LPT1        |       On        |      Off       |
   |----+--------------------+-----------------+----------------|
   |    |        LPT2        |       Off       |       On       |
   |----+--------------------+-----------------+----------------|
   |    |      Disabled      |       Off       |      Off       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT ADDRESS SELECTION                |
   |------------------------------------------------------------|
   |     Setting     |  SW1/1   |  SW1/2   |  SW1/7   |  SW1/8  |
   |-----------------+----------+----------+----------+---------|
   |>> |    COM1     |    On    |   Off    |   Off    |   On    |
   |---+-------------+----------+----------+----------+---------|
   |   |    COM2     |   Off    |    On    |    On    |   Off   |
   |---+-------------+----------+----------+----------+---------|
   |   |  Disabled   |   Off    |   Off    |   Off    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   | Assignment | Interrupt |   SW1/1   |   SW1/2   |   SW1/5   |
   |------------+-----------+-----------+-----------+-----------|
   | LPT1(3BCh) |   IRQ7    |    On     |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   | LPT(378h)  |   IRQ6    |    Off    |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   | LPT3(278h) |   IRQ5    |    Off    |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |    N/A     | Disabled  |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   | Assignment | Interrupt |   SW1/3   |   SW1/4   |   SW1/7   |
   |------------+-----------+-----------+-----------+-----------|
   | COM1(3F8h) |   IRQ14   |    On     |    Off    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   | COM2(2F8h) |   IRQ3    |    Off    |    On     |    On     |
   |------------+-----------+-----------+-----------+-----------|
   | COM3(2A0h) |   None    |    Off    |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |    N/A     | Disabled  |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   FLOPPY DRIVE SELECTION                   |
   |------------------------------------------------------------|
   |            Function             |    SW1/5    |   SW1/6    |
   |---------------------------------+-------------+------------|
   |>> | Floppy drive enabled        |     On      |     On     |
   |---+-----------------------------+-------------+------------|
   |   | Floppy drive disabled       |     Off     |    Off     |
   |---+--------------------------------------------------------|
   |   | Note : When floppy drive is enabled, switch settings   |
   |   | control the parallel port; when disabled, the settings |
   |   | affect the serial port.                                |
   +------------------------------------------------------------+